Studies on the Binary and Ternary Complexes of Aluminium(iii) With Gallic Acid and Adrenaline

Abstract

The reaction of aluminium(III) ions with gallic acid (3,4,5-trihydroxybenzoic acid) (GAL) and adrenaline (epinephrine) (1-(3,4-dihydroxyphenyl)-2-methylaminoethanol) (ADR) was investigated by potentiometric and optical means. Stability constants of the binary and ternary complexes at 25°C and in 0.1 M NaNO3 ionic strength in aqueous solution have been determined. The complex formation equilibria involving adrenaline were characterized The constant due to